55113030 has 48 divisors (see below), whose sum is σ = 163766304. Its totient is φ = 12597120.

The previous prime is 55113013. The next prime is 55113041. The reversal of 55113030 is 3031155.

It is a happy number.

55113030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 55112994 and 55113012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43111 + ... + 44370.

It is an arithmetic number, because the mean of its divisors is an integer number (3411798).

Almost surely, 2^55113030 is an apocalyptic number.

55113030 is an abundant number, since it is smaller than the sum of its proper divisors (108653274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55113030 is a wasteful number, since it uses less digits than its factorization.

55113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87501 (or 87498 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 55113030 is about 7423.8150569636. The cubic root of 55113030 is about 380.5555815874. Note that the first 4 decimals are identical.

Adding to 55113030 its reverse (3031155), we get a palindrome (58144185).

The spelling of 55113030 in words is "fifty-five million, one hundred thirteen thousand, thirty".